const safeText = value => String(value || '').replace(/[&<>"']/g, char => ({'&':'&','<':'<','>':'>','"':'"',"'":'''}[char])); const cssEscape = value => window.CSS && CSS.escape ? CSS.escape(value) : String(value || '').replace(/[^a-zA-Z0-9_-]/g, '\\$&'); const attrEscape = value => String(value || '').replace(/\\/g, '\\\\').replace(/"/g, '\\"'); const toArray = value => Array.prototype.slice.call(value || []); controlSelector(control){ if(control.id) return '#' + CSS.escape(control.id); if(control.id) return '#' + cssEscape(control.id); const value = control.getAttribute(attr); if(value) return '[' + attr + '="' + CSS.escape(value) + '"]'; if(value) return '[' + attr + '="' + attrEscape(value) + '"]';